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Chikuma-shi, Japan

Hakko Co., Ltd.

USPTO Granted Patents = 15

EPO Patents = 2

Forward Citations = 202

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22 inventors (with patents filed for the assignee):

Motoyuki Koga (7 out of 7 patents)

Ubao Jibiki (3 out of 3 patents)

Yukihiko Tamai (2 out of 2 patents)

4. Kenji Ohshima (2 out of 2 patents)

5. Nobukatsu Ike (2 out of 2 patents)

6. Kiyokazu Nakajima (1 out of 9 patents)

7. Masaomi Agatsuma (1 out of 1 patent)

8. Hidenori Takagi (1 out of 1 patent)

9. Shun Nitta (1 out of 1 patent)

10. Toru Urano (1 out of 1 patent)

11. Shigemitsu Hayashi (1 out of 1 patent)

12. Yoshihisa Miyamoto (1 out of 1 patent)

13. Mitsutoshi Hayashi (1 out of 8 patents)

14. Akio Morinaga (1 out of 13 patents)

15. Isao Saito (1 out of 9 patents)

15 patents: Sort by Forward Citations

1. 11241249 - Endoscopic snare (2022-02-08),

2. 8936550 - Eyelids opening device with drape (2015-01-20),

3. D678523 - Access device for endoscopic surgery (2013-03-19),

4. 6725563 - Drying method, drying device, and drying machine (2004-04-27),

5. 6598332 - Riflescope with adjustable eyepiece (2003-07-29),

6. 6131294 - Telescopic sight with detachable night vision apparatus (2000-10-17),

7. 5764410 - Telescope including an interposition gear for zoom operation (1998-06-09),

8. 5590689 - Method for lining the internal surface of a pipe (1997-01-07),

9. 5089297 - Method for repairing interior portions of a pipeline (1992-02-18),

10. 4584963 - System for repairing joints in pipes laid underground (1986-04-29),

11. 4556580 - Method of repairing pipes laid underground (1985-12-03),

12. 4505613 - Method for lining pipes in pipelines (1985-03-19),

13. 4504204 - Pig for repairing interior portions of a pipeline (1985-03-12),

14. 4454174 - Method for lining pipes of a pipeline (1984-06-12),

15. 4454173 - Method for lining pipes in a pipeline (1984-06-12),

Hakko Co., Ltd. is a leading manufacturer of soldering equipment and related products. With over 60 years of experience in the industry, Hakko is known for its innovative and high-quality products, including soldering stations, soldering irons, and desoldering tools. The company is committed to providing reliable and efficient solutions for professionals and hobbyists alike.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

15 Patents

#1 in Chikuma-shi

#3,371 in Japan

#38,803 in the World

Chikuma-shi, Japan

Hakko Co., Ltd.

Forward Citations = 202

22 inventors:

Motoyuki Koga (7 out of 7 patents)

Ubao Jibiki (3 out of 3 patents)

Yukihiko Tamai (2 out of 2 patents)

4. Kenji Ohshima (2 out of 2 patents)

5. Nobukatsu Ike (2 out of 2 patents)

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